41 facts in comparison
BOOX Note Air5 C vs BOOX Tab X C
This comparison puts the BOOX Note Air5 C and BOOX Tab X C side by side — two E Ink Tablets measured against the same 41-spec sheet, with every meaningful gap scored and explained. On our weighted VS Score the BOOX Tab X C finishes ahead, 86 to 74 — a decisive result.
The most consequential difference is expandable storage (microSD) — the BOOX Note Air5 C has it, the BOOX Tab X C does not. A transparency note before you dive in: the spec sheets are BOOX Note Air5 C 68% and BOOX Tab X C 71% complete. Anything unverified shows as Unknown and is left out of the scores — we never estimate a missing value.
Head-to-head points: every spec is scaled between these products only, so a product can score high here and modestly on its own page, where the VS Score measures it against the median of its class.
Where the BOOX Note Air5 C beats the BOOX Tab X C
- A higher android version ?15 vs 13
- Has expandable storage (microSD) ?
- A lighter build ?440 g vs 625 g
Where the BOOX Tab X C beats the BOOX Note Air5 C
- A bigger screen ?13.3" (33.78 cm) vs 10.3" (26.16 cm)
- Higher resolution ?3,200 px vs 2,480 px
- Much more storage ?128 GB vs 64 GB
- A much bigger battery ?5,500 mAh vs 3,700 mAh
- A slightly slimmer body ?5.3 mm vs 5.8 mm
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- Expandable storage (microSD)PerformanceYes vs No — only the BOOX Note Air5 C has it
Storage can be expanded with a memory card.
- Battery capacityBattery3,700 mAh vs 5,500 mAh — 48.6% more for the BOOX Tab X C
Rated cell capacity. It is not a runtime figure: screen, chip efficiency and software decide how long a charge lasts, so compare the rated battery life where one is given.
Capacity is not a runtime figure. A rated battery life is missing for at least one of these products, so how long each lasts per charge cannot be compared here.
- WeightDesign440 g vs 625 g — 29.6% less for the BOOX Note Air5 C
A lighter tablet is more comfortable to hold and carry.
- Internal storagePerformance64 GB vs 128 GB — 2× more for the BOOX Tab X C
More storage holds more notebooks, books and documents.
- Screen sizeDisplay10.3" (26.16 cm) vs 13.3" (33.78 cm) — 29.1% more for the BOOX Tab X C
A larger screen fits an A5 or letter page without shrinking it.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for display BOOX Tab X C takes the category 100 to 74 — driven by screen size (10.3" (26.16 cm) vs 13.3" (33.78 cm)).
- Best for software BOOX Note Air5 C takes the category 100 to 82 — driven by android version (15 vs 13).
- Best for performance BOOX Tab X C takes the category 77 to 68.
- Best for design BOOX Note Air5 C takes the category 68 to 32 — driven by weight (440 g vs 625 g).
- The safe all-rounder BOOX Tab X C wins more of the categories that carry real weight, topping the overall VS Score at 86.
Where each one falls short
BOOX Note Air5 C
- Battery capacity: 3,700 mAh vs 5,500 mAh
- Internal storage: 64 GB vs 128 GB
- Screen size: 10.3" (26.16 cm) vs 13.3" (33.78 cm)
- 13 specs are unreported (shown as Unknown) and excluded from its scores.
BOOX Tab X C
- Expandable storage (microSD): Yes vs No
- Weight: 440 g vs 625 g
- Android version: 15 vs 13
- 12 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Display
Writing
Software
Performance
Battery
Connectivity
Design
Specs last verified September 13, 2026BOOX Note Air5 C: 28 of 41 specs verified (68%)BOOX Tab X C: 29 of 41 specs verified (71%)Unverified specs show as Unknown — never estimated, never scored
What reviewers say
The bottom line
The BOOX Tab X C is the clear winner, scoring 86 to 74 on our VS Score. It leads on Display and Performance. The BOOX Note Air5 C answers back with stronger Software and Design. Pick the BOOX Tab X C unless Software and Design matters most to you — then the BOOX Note Air5 C is the smarter buy.
